X-ray, Dentistry FAQ - Page 2

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Understanding Discomfort After Root Canal Treatment: What to Do?

Discomfort after root canal treatment? Hello, Director Lin. Two years ago, I underwent root canal treatment on my right front tooth. Although the pain has subsided since the treatment, I have been experiencing a troubling phenomenon for the past two years. I often feel discomfort...


Dr. Lin Jiayong Reply:
Hello: If the tooth has a crown covering it, it may be due to gingival inflammation. It is recommended to perform a crown lengthening procedure and then remake the crown. You may consult with the endodontics or prosthodontics department for further evaluation.

[Read More] Understanding Discomfort After Root Canal Treatment: What to Do?


Persistent Lump After Wisdom Tooth Extraction: What to Do Next?

It has been two months since my wisdom tooth extraction, and there is still a lump? Hello, Director Lin. I had my lower right wisdom tooth extracted at the clinic on February 22. After the extraction, my cheek was very swollen. By March 18, the swelling had decreased but was stil...


Dr. Lin Jiayong Reply:
Hello, 1. Medication can indeed have an anti-inflammatory effect. 2. Alternating hot and cold compresses can improve circulation. 3. It may be the process of bone remodeling. 4. Observe for about six months; if it is still swollen by the end of August this year, it is recommended...

[Read More] Persistent Lump After Wisdom Tooth Extraction: What to Do Next?


Understanding Tooth Pulp Health: Signs of Possible Necrosis

It is difficult to determine whether the tooth is necrotic? Last year during a dental check-up, it was discovered that my upper right first premolar had a deep cavity. The dentist informed me that the filling would be deep and could be sensitive due to its proximity to the dental...


Dr. Lin Jiayong Reply:
Hello: Sinusitis is not directly related to gingivitis or pulpitis, and there is no need to discuss them together unless a panoramic or CT scan has confirmed that the source of the sinus infection is caused by the pulp or teeth. Otherwise, if the pulp is removed hastily and sinus...

[Read More] Understanding Tooth Pulp Health: Signs of Possible Necrosis


Post-Wisdom Tooth Extraction: When to Worry About Swelling and Pain?

It has been three weeks since the wisdom tooth extraction, and the swelling and pain have not completely resolved? Hello, Director Lin. I had my lower right wisdom tooth extracted on February 22, and the surgery lasted about 20 minutes. After the procedure, my cheek was quite swo...


Dr. Lin Jiayong Reply:
Hello: As you mentioned, the wounds are continuously healing in a positive direction. It is recommended to be patient and allow your body to recover. Many examinations are invasive (such as contrast agent injections, repeated X-ray exposure, blood draws, etc.), and if there are n...

[Read More] Post-Wisdom Tooth Extraction: When to Worry About Swelling and Pain?


Understanding Post-Root Canal Pain: Is It Periodontal Ligament Inflammation?

Pain upon pressure after root canal treatment? Hello, it has been a year and a half since my root canal treatment (I have not yet had a crown placed). During this time, I occasionally experience pain (dull pain, throbbing pain) when pressure is applied to that tooth, so I tend to...


Dr. Zeng Guanghui Reply:
Hello Ms. Lee: If there is still tenderness upon pressure after root canal treatment, but no cracks are found upon examination, it may be due to periodontal issues or ongoing inflammation at the root apex. It is recommended to return for a follow-up examination, and if necessary,...

[Read More] Understanding Post-Root Canal Pain: Is It Periodontal Ligament Inflammation?


Post-Wisdom Tooth Extraction: Is My Molar Pain a Sign of Root Canal?

After tooth extraction, the adjacent teeth may experience sensitivity and pain when eating? Dear Dr. Lin, I had my wisdom tooth extracted on March 1st. The timeline is as follows: I had the extraction in the morning of March 1st, and returned for a follow-up appointment to have ...


Dr. Lin Jiayong Reply:
Hello: It is recommended to wait until the wisdom tooth extraction site has fully healed (when opening the mouth does not cause pain or concern about tearing the wound) before conducting a detailed examination to determine whether root canal treatment is needed for the anterior m...

[Read More] Post-Wisdom Tooth Extraction: Is My Molar Pain a Sign of Root Canal?


Understanding Root Canal Treatment: Common Questions and Concerns

Root canal treatment I have a dental cleaning every six months, but shortly after my last cleaning, I experienced pain in tooth #35 due to sensitivity to hot and cold. I returned to the dentist, and an X-ray revealed a cavity. The dentist indicated that I would need a root canal ...


Dr. Lin Jiayong Reply:
Hello: Generally, simple root canal treatments can be performed in the clinic, unless the case involves complex root canals, calcified canals, or fractured roots/instruments, in which case the patient should be referred to a dental pulp specialist at a medical center. <a href=...

[Read More] Understanding Root Canal Treatment: Common Questions and Concerns


Understanding Central Cusp Deformity: Diagnosis and Treatment Options

Questions regarding malformed central incisors? Dear Dr. Tseng, Hello. I have several rounded protrusions on the buccal surfaces of my upper right first and second premolars. Since these protrusions are not located in the center of the teeth, I have always thought they were norm...


Dr. Zeng Guanghui Reply:
Dear Mr. Kris: 1. The dentist can confirm the diagnosis through visual examination or X-rays. 2. The rounded protrusions on the occlusal surface of the premolars are usually caused by developmental anomalies of the teeth, resulting in dental hyperplasia. 3. If there is an uneven...

[Read More] Understanding Central Cusp Deformity: Diagnosis and Treatment Options


Tooth Extraction for Infected Second Molar: What You Need to Know

Extraction of the second molar abscess? Currently, I only have one remaining second molar (all other molars are gone). Due to poor healing after periodontal flap surgery, I frequently experience abscesses, and X-rays show that the bone support has been compromised, causing the to...


Dr. Lin Jiayong Reply:
Hello: If possible, it is recommended to return to the original periodontist for assistance with the extraction. If you are concerned about the size of the cavity, collagen can be placed first. If you are considering a future dental implant, it is advisable to inform the dentist ...

[Read More] Tooth Extraction for Infected Second Molar: What You Need to Know


Understanding Gum Issues: Pain, Tumors, and Dental Health Concerns

Gum issues Hello doctor, last year I had significant pain in the gums below my lower right third molar. I visited a dental clinic, and the dentist said there was nothing wrong, and the pain subsided, so I didn't pay much attention to it. However, today the same area suddenly...


Dr. Zeng Guanghui Reply:
Hello Mr. Peter: It is recommended to visit a major hospital to consult with an oral and maxillofacial surgeon for further examination and subsequent treatment. Director Tseng Guang-Hui, Dental Department, Nantou Hospital.

[Read More] Understanding Gum Issues: Pain, Tumors, and Dental Health Concerns


Understanding Tooth Pain: When to Consider Root Canal Treatment

Tooth sensitivity or toothache? Hello Doctor, recently I've been experiencing pain in my upper right incisor. During my first visit, the doctor mentioned that I would need a root canal treatment, but after taking painkillers, the pain subsided. I thought I would need to retu...


Dr. Lin Jiayong Reply:
It is advisable to consult a second or third physician, obtain X-rays, and perform a pulp vitality test before deciding on a treatment plan.

[Read More] Understanding Tooth Pain: When to Consider Root Canal Treatment


Concerns About Nerve Damage When Extracting Wisdom Teeth

There is a concern that extracting wisdom teeth may permanently damage the nerves? Hello, Dr. Zeng. I am 20 years old and recently had my lower left wisdom tooth extracted (it hadn't erupted yet) due to orthodontic treatment. Before the extraction, the doctor reviewed my ful...


Dr. Zeng Guanghui Reply:
Hello Mr. Chieh: 1. If the X-ray shows that the lower edge of the wisdom tooth is at a distance from the mandibular nerve, there is no need to worry about the wisdom tooth affecting the inferior alveolar nerve. 2. If you have any doubts, you can visit a dental clinic equipped ...

[Read More] Concerns About Nerve Damage When Extracting Wisdom Teeth


Concerns About Nerve Damage When Extracting Wisdom Teeth

There is a concern that extracting wisdom teeth may permanently damage the nerves? Hello Dr. Lin, I am 20 years old and recently had my lower left wisdom tooth extracted for orthodontic treatment (it had not yet erupted). Before the extraction, the doctor reviewed my full mouth X...


Dr. Lin Jiayong Reply:
Hello: It is recommended that you schedule an appointment with the oral surgery department at a medical center to have your lower right wisdom tooth extracted. Once the extraction is completed and confirmed to be without complications, you can return to your original clinic for o...

[Read More] Concerns About Nerve Damage When Extracting Wisdom Teeth


Understanding Radiation Exposure from Dental Cone Beam CT Scans

What could be the radiation dose from a dental computed tomography (CT) scan in my case? Hello Dr. Lin, I am currently evaluating orthodontic treatment (the doctor mentioned that it will involve imaging of the temporomandibular joint), but I need to undergo a dental cone beam com...


Dr. Lin Jiayong Reply:
Hello: If there is a need to perform orthognathic surgery in conjunction with oral surgery, or to undergo a procedure that involves the advancement of the maxilla, a comprehensive computed tomography (CT) scan will be required. If there are significant concerns regarding radiatio...

[Read More] Understanding Radiation Exposure from Dental Cone Beam CT Scans


Swelling After Dental Treatment: Understanding Pain Relief and Antibiotics

After taking painkillers and antibiotics following a medical visit yesterday, my face is swollen? Hello Dr. Lin, Recently, I have been experiencing discomfort and increasing pain in my right lower molar, which has had a crown for six to seven years. Due to the pain, I went to a...


Dr. Lin Jiayong Reply:
Hello: If you confirm that both sides of the face are asymmetrical and you are experiencing swelling, pain, fever, or difficulty swallowing or breathing, it is advisable to seek emergency medical attention as soon as possible.

[Read More] Swelling After Dental Treatment: Understanding Pain Relief and Antibiotics


Understanding Wisdom Tooth Extraction: The Role of 3D Imaging in Nerve Safety

Wisdom Tooth Extraction and Computed Tomography (CT) Hello, Dr. Tseng. I have a wisdom tooth that is growing at a significant angle (approximately 45 to 60 degrees towards the front teeth), and my doctor has recommended that I have it extracted. However, I have heard from people ...


Dr. Zeng Guanghui Reply:
Dear Mr. Zheng, 1. Conventional X-rays can only determine the distance between the wisdom teeth and the mandibular canal, but they cannot predict the buccolingual relationship between the wisdom teeth and the mandibular canal. A 3D computed tomography (CT) scan is necessary to a...

[Read More] Understanding Wisdom Tooth Extraction: The Role of 3D Imaging in Nerve Safety


Can 3D Dental CT Reveal Wisdom Teeth and Nerve Relationships?

Can dental computed tomography visualize the three-dimensional relationship between wisdom teeth and nerves? Hello Dr. Lin, I have a wisdom tooth that is growing at a 45-degree angle towards my front teeth. My dentist has recommended that I have it extracted, but I am concerned b...


Dr. Lin Jiayong Reply:
Hello: If there is a CBCT (Cone Beam Computed Tomography) image, it is indeed easier to assess the risk of nerve injury during and after tooth extraction, and it also helps the dentist to better understand how to avoid nerve disturbance during the extraction process. The advantag...

[Read More] Can 3D Dental CT Reveal Wisdom Teeth and Nerve Relationships?


Understanding Gum Pain After Dental Cleaning: Is It Normal?

Dental cleaning and gum recession? A few days ago, I went to the dentist due to tooth pain. The doctor informed me that I had gingivitis and performed a cleaning. After the cleaning, I noticed that my gums were quite sore, and they still hurt. Is this normal? How many days will i...


Dr. Lin Jiayong Reply:
Hello: Sensitivity and discomfort after teeth cleaning usually resolve within a week. If it persists, it is advisable to return for an examination to check for any other irreversible issues. To assess changes in tooth length or gum recession, X-rays or intraoral photographs taken...

[Read More] Understanding Gum Pain After Dental Cleaning: Is It Normal?


Do Water Flossers and Interdental Brushes Widen Gaps Between Teeth?

Oral issues 1. Does using a water flosser and interdental brushes cause gaps between teeth to increase? Is there any impact on the teeth? 2. There is a slight cavity on the wisdom tooth (a small dark spot on the occlusal surface, but it is not causing any issues). Is any treatm...


Dr. Lin Jiayong Reply:
Hello: 1. It may be necessary to assess the original condition of the gum inflammation to predict whether using a water flosser and interdental brushes will make the gaps between the teeth more noticeable. Gentle pressure should not harm the teeth themselves, as teeth are the har...

[Read More] Do Water Flossers and Interdental Brushes Widen Gaps Between Teeth?


Understanding Pain and Swelling After Root Canal Treatment: A Patient's Guide

Root canal treatment for maxillary abscess and pain? Hello Doctor, currently I am undergoing root canal treatment on my right lateral incisor. After the first session, once the anesthesia wore off, the tooth was extremely painful (even more painful than before the root canal trea...


Dr. Lin Jiayong Reply:
Hello: Administering stimulation or medication during treatment may indeed cause the abscess to swell and hurt. It is strongly recommended to complete the treatment of the currently affected tooth first and observe for 1 to 3 months before considering root canal treatment for ano...

[Read More] Understanding Pain and Swelling After Root Canal Treatment: A Patient's Guide


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